Fairyland is suffering, the worlds of Kaguya-hime, Snow White, and Cinderella are slowly disappearing. Natsuki, Ringo, and Layla are three young girls have been asked to transform into the respective princesses and spread happiness amongst humankind in order to restore Fairyland. Once they transform they become a three girl idol pop group 'Lilpri' (Little Princess) which spreads happiness through song.